Researchers propose adding a fourth light, possibly white, to signal when there are sufficient autonomous vehicles on the road to guide traffic.
Driverless cars may lead to a major change in century-old traffic signal systems and the addition of white light is expected, according to researchers.
University of Michigan researchers, led by Liu, have adopted a unique strategy. In a pilot program conducted in the Detroit suburb of Birmingham, they utilized speed and location data from General Motors vehicles to adjust the timing ofWith a recent US Department of Transportation grant secured under the bipartisan infrastructure law, the researchers are poised to test the real-time implementation of these modifications.
In Birmingham, like in more than half of the country, 34 traffic signals run on fixed schedules without cameras or sensors to monitor traffic. Although there are more advanced options, they require expensive and complicated infrastructure changes.Danielle Deneau, traffic safety director at the Road Commission in Oakland County, Michigan, mentioned that even slight adjustments to green light timings in Birmingham reduced congestion.
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